CA2278044C - Methode pour recuperer l'or de minerais charbonneux refractaires - Google Patents

Methode pour recuperer l'or de minerais charbonneux refractaires Download PDF

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Publication number
CA2278044C
CA2278044C CA002278044A CA2278044A CA2278044C CA 2278044 C CA2278044 C CA 2278044C CA 002278044 A CA002278044 A CA 002278044A CA 2278044 A CA2278044 A CA 2278044A CA 2278044 C CA2278044 C CA 2278044C
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CA
Canada
Prior art keywords
feed material
precious metal
oxidized
sulfur content
sulfide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002278044A
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English (en)
Other versions
CA2278044A1 (fr
Inventor
James A. King
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Placer Dome Technical Services Ltd
Original Assignee
Placer Dome Technical Services Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Placer Dome Technical Services Ltd filed Critical Placer Dome Technical Services Ltd
Priority to CA002278044A priority Critical patent/CA2278044C/fr
Publication of CA2278044A1 publication Critical patent/CA2278044A1/fr
Application granted granted Critical
Publication of CA2278044C publication Critical patent/CA2278044C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00—Obtaining noble metals
    • C22B11/04—Obtaining noble metals by wet processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
CA002278044A 1999-07-19 1999-07-19 Methode pour recuperer l'or de minerais charbonneux refractaires Expired - Lifetime CA2278044C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002278044A CA2278044C (fr) 1999-07-19 1999-07-19 Methode pour recuperer l'or de minerais charbonneux refractaires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002278044A CA2278044C (fr) 1999-07-19 1999-07-19 Methode pour recuperer l'or de minerais charbonneux refractaires

Publications (2)

Publication Number Publication Date
CA2278044A1 CA2278044A1 (fr) 2001-01-19
CA2278044C true CA2278044C (fr) 2008-10-07

Family

ID=4163795

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002278044A Expired - Lifetime CA2278044C (fr) 1999-07-19 1999-07-19 Methode pour recuperer l'or de minerais charbonneux refractaires

Country Status (1)

Country Link
CA (1) CA2278044C (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7922788B2 (en) 2007-09-18 2011-04-12 Barrick Gold Corporation Process for recovering gold and silver from refractory ores
US8262770B2 (en) 2007-09-18 2012-09-11 Barrick Gold Corporation Process for controlling acid in sulfide pressure oxidation processes
US8262768B2 (en) 2007-09-17 2012-09-11 Barrick Gold Corporation Method to improve recovery of gold from double refractory gold ores
US20220119916A1 (en) * 2020-10-16 2022-04-21 American Air Liquide, Inc. Methods of base metal recovery with applications of oxygen vectors

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPS334402A0 (en) * 2002-07-02 2002-07-25 Commonwealth Scientific And Industrial Research Organisation Process for recovering precious metals
CN113755695B (zh) * 2021-08-11 2023-06-16 昆明理工大学 一种富集回收硫代硫酸盐溶液中的金的方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8262768B2 (en) 2007-09-17 2012-09-11 Barrick Gold Corporation Method to improve recovery of gold from double refractory gold ores
US7922788B2 (en) 2007-09-18 2011-04-12 Barrick Gold Corporation Process for recovering gold and silver from refractory ores
US8262770B2 (en) 2007-09-18 2012-09-11 Barrick Gold Corporation Process for controlling acid in sulfide pressure oxidation processes
US20220119916A1 (en) * 2020-10-16 2022-04-21 American Air Liquide, Inc. Methods of base metal recovery with applications of oxygen vectors

Also Published As

Publication number Publication date
CA2278044A1 (fr) 2001-01-19

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